Illborne_engr1.3b.zip.part1.rar

: Indicates this is a multi-part RAR archive that contains a ZIP file inside once fully reassembled. How to Extract and Combine

: Suggests the English ("ENG") version or translation, release 1.3b. Illborne_ENGr1.3b.zip.part1.rar

You cannot use this file alone. A split archive requires to be present to rebuild the original file. : Indicates this is a multi-part RAR archive